Pyrazine, 3-ethyl-2,5-dimethyl-

• Formula: C₈H₁₂N₂
• Molecular weight: 136.1943
• IUPAC Standard InChI: InChI=1S/C8H12N2/c1-4-8-7(3)9-5-6(2)10-8/h5H,4H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: WHMWOHBXYIZFPF-UHFFFAOYSA-N Copy
• CAS Registry Number: 13360-65-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: 2-Ethyl-3,6-dimethylpyrazine; 2,5-Dimethyl-3-ethylpyrazine; 3-Ethyl-2,5-dimethylpyrazine; 3,6-Dimethyl-2-ethylpyrazine; Pyrazine, 2-ethyl-3,6-dimethyl
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Normal alkane RI, polar column, custom temperature program
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
  • Switch to SI units

Normal alkane RI, polar column, custom temperature program

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

References

Go To: Top, Normal alkane RI, polar column, custom temperature program, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Xiao, Dai, et al., 2011
Xiao, Z.; Dai, S.; Niu, Y.; Yu, H.; Zhu, J.; Tian, H.; Gu, Y., Discrimination of Chinese vinegars based on headspace solid-phase microextraction - gas chromatography mass spectrometry of volatile compounds and multivariate analysis, J. Food Sci., 2011, 76, 8, c1125-c1135, https://doi.org/10.1111/j.1750-3841.2011.02356.x . [all data]

Mebazaa, Mahmoudi, et al., 2009
Mebazaa, R.; Mahmoudi, A.; Fouchet, M.; Dos Santos, M.; Kamissoko, F.; Nafti, A.; Ben Cheikh, R.; Rega, B.; Camel, V., Characterization of volatile compounds in Tunisian fenugreek seeds, Food Chem., 2009, 115, 4, 1326-1336, https://doi.org/10.1016/j.foodchem.2009.01.066 . [all data]

Frauendorfer and Schieberle, 2008
Frauendorfer, F.; Schieberle, P., Changes in key aroma compounds of criollo cocoa beans during roasting, J. Agric. Food Chem., 2008, 56, 21, 10244-10251, https://doi.org/10.1021/jf802098f . [all data]

Shu and Shen, 2008
Shu, N.; Shen, H., Aroma-impact compounds in Lysimachia foenum-graecum extracts, Flavour Fragr. J., 2008, 24, 1, 1-6, https://doi.org/10.1002/ffj.1908 . [all data]

Viegas and Bassoli, 2007
Viegas, M.C.; Bassoli, D.G., Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax, Quim. Nova, 2007, 30, 8, 2031-2034, https://doi.org/10.1590/S0100-40422007000800040 . [all data]

Krings, Zelena, et al., 2006
Krings, U.; Zelena, K.; Wu, S.; Berger, R.G., Thin-layer high-vacuum distillation to isolate volatile flavour compounds of cocoa powder, Eur. Food Res. Technol., 2006, 223, 5, 675-681, https://doi.org/10.1007/s00217-006-0252-x . [all data]

Didzbalis, Ritter, et al., 2004
Didzbalis, J.; Ritter, K.A.; Trail, A.C.; Plog, F.J., Identification of fruity/fermented odorants in high-temperature-cured roasted peanuts, J. Agric. Food Chem., 2004, 52, 15, 4828-4833, https://doi.org/10.1021/jf0355250 . [all data]

Ito and Mori, 2004
Ito, K.; Mori, M., Formation of pyrazines in aqueous maltose/glucose/fructose-glutamide model systems upon heating at below 100 0C, Food Sci. Technol. Res., 2004, 10, 2, 199-204, https://doi.org/10.3136/fstr.10.199 . [all data]

Kim. J.H., Ahn, et al., 2004
Kim. J.H.; Ahn, H.J.; Yook, H.S.; Kim, K.S.; Rhee, M.S.; Ryu, G.H.; Byun, M.W., Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce, Radiation Phys. Chem., 2004, 69, 2, 179-187, https://doi.org/10.1016/S0969-806X(03)00400-6 . [all data]

Matsui, Guth, et al., 1998
Matsui, T.; Guth, H.; Grosch, W., A comparative study of potent odorants in peanut, hazelnut, and pumpkin seed oils on the basis of aroma extract dilution analysis (AEDA) and gas chromatography-olfactometry of headspace samples (GCOH), Lipid - Fett, 1998, 100, 2, 51-56, https://doi.org/10.1002/(SICI)1521-4133(199802)100:2<51::AID-LIPI51>3.0.CO;2-W . [all data]

Zehentbauer and Grosch, 1998
Zehentbauer, G.; Grosch, W., Crust aroma of baguettes. I. Key odorants of baguettes prepared in two different ways, J. Cereal Science, 1998, 28, 1, 81-92, https://doi.org/10.1006/jcrs.1998.0184 . [all data]

Schermann and Schieberle, 1997
Schermann, P.; Schieberle, P., Evaluation of key odorants in milk chocolate and cocoa mass by aroma extract dilution analyses, J. Agric. Food Chem., 1997, 45, 3, 867-872, https://doi.org/10.1021/jf960670h . [all data]

Schieberle and Grosch, 1994
Schieberle, P.; Grosch, W., Potent odorants of rye bread crust - differences from the crumb and from wheat bread crust, Z. Lebensm. Unters. Forsch., 1994, 198, 4, 292-296, https://doi.org/10.1007/BF01193177 . [all data]

Mihara and Masuda, 1987
Mihara, S.; Masuda, H., Correlation between molecular structures and retention indices of pyrazines, J. Chromatogr., 1987, 402, 309-317, https://doi.org/10.1016/0021-9673(87)80029-8 . [all data]

Notes

Go To: Top, Normal alkane RI, polar column, custom temperature program, References

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.